Trial reportInternational journal of implant dentistry2026
Clinical performance and occlusal wear of polymer-infiltrated ceramic network and zirconia-reinforced ceramic implant-supported single crowns fabricated via a digital workflow on two titanium implant systems: a 12-month prospective randomized trial.
Trial report in International journal of implant dentistry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT07598305 (Polymer-Infiltrated Ceramic Network Versus Smart Bioactive Self-Curing Composite for Cervical Restorations in Profession-al Ballet Dancers), which is not on this map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Polymer-Infiltrated Ceramic Network Versus Smart Bioactive Self-Curing Composite for Cervical Restorations in Profession-al Ballet Dancers: A 24-Month Split-Mouth Randomized Controlled Trial
Who cites it
1 citing paper in PubMed.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposePolymer-infiltrated ceramic network (PICN) and zirconia-reinforced lithium silicate (ZLS) ceramics are alternatives for implant-supported single crowns (ISCs). This prospective randomized trial evaluated 12-month survival of PICN- and ZLS-ISCs supported by Straumann Bone Level Tapered (BLT) and CAMLOG Promote plus (PP) titanium implants. Furthermore, technical complications and occlusal wear were analyzed.
methodsSixty-one patients received a single titanium implant from two different manufacturers, and one was treated with two implants. All implants were placed using fully guided static computer-assisted surgery. After randomization, screw-retained CAD-CAM ISCs were fabricated from PICN (n = 31) or ZLS (n = 31) and cemented onto stock titanium base abutments. After 1 year, implant and prosthetic survival, material- and system-dependent outcomes, technical complications, and occlusal wear-based on superimposed baseline and follow-up intraoral scans-were recorded. Independent t-tests were performed (p = 0.05).
resultsForty-two ISCs were evaluated after one year (mean follow-up: 409.5 ± 102.6 days). PICN showed a 84% survival rate, while ZLS achieved 100% survival. Debonding occurred in five restorations (PICN = 2; ZLS = 3). No complications were observed in 86% of PICN and 85% of ZLS crowns. Occlusal wear was significantly greater for PICN (0.45 ± 0.38 mm) compared with ZLS (0.16 ± 0.05 mm; p = 0.03). Both crown fractures occurred on BLT implants (82% survival), whereas PP implants showed 100% survival.
conclusionsZLS demonstrated the highest survival rate and no irreparable failures, along with significantly lower occlusal wear. PICN showed more catastrophic fractures and greater wear. Technical complications were frequent for both materials, independent of implant system or abutment height.
trial registrationDeutsches Register Klinischer Studien (DRKS-ID: DRKS00026973).
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